.advert-thumb {
	display: block;
	position: relative;
	height: 100px;
	background: no-repeat center center gray;
	background-size: cover;
}

.advert-thumb:hover:after {
	content: "点击编辑";
	position: absolute;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	font-size: 30px;
	line-height: 100px;
	color: #fff;
	text-align: center;
	background: rgba(0,0,0,0.7);
}

.advert-thumb.top,
.advert-thumb.left {
	height: 200px;
}

.thumb-container>.row {
	padding: 5px 0; 
}

.thumb-top {
	height: 200px;
}

